257632568

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^3\times {\mathrm{47}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 531947520

約数和(自身を除く): 274314952

約数列:

[1, 2, 4, 8, 23, 31, 46, 47, 62, 92, 94, 124, 184, 188, 248, 376, 713, 961, 1081, 1426, 1457, 1922, 2162, 2852, 2914, 3844, 4324, 5704, 5828, 7688, 8648, 11656, 22103, 29791, 33511, 44206, 45167, 59582, 67022, 88412, 90334, 119164, 134044, 176824, 180668, 238328, 268088, 361336, 685193, 1038841, 1370386, 1400177, 2077682, 2740772, 2800354, 4155364, 5481544, 5600708, 8310728, 11201416, 32204071, 64408142, 128816284, 257632568]

約数ペア:

[(1, 257632568), (2, 128816284), (4, 64408142), (8, 32204071), (23, 11201416), (31, 8310728), (46, 5600708), (47, 5481544), (62, 4155364), (92, 2800354), (94, 2740772), (124, 2077682), (184, 1400177), (188, 1370386), (248, 1038841), (376, 685193), (713, 361336), (961, 268088), (1081, 238328), (1426, 180668), (1457, 176824), (1922, 134044), (2162, 119164), (2852, 90334), (2914, 88412), (3844, 67022), (4324, 59582), (5704, 45167), (5828, 44206), (7688, 33511), (8648, 29791), (11656, 22103)]